h<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>web site</title>
	</head>
	<body>
		<script type="text/javascript">
			var shiNum = parseInt(111,2);
			console.log(shiNum);
			
			var num = 10;
			var renyi = num.toString(16);
			console.log(renyi);
		</script>
	</body>
</html>